*{
    margin: 0;
    padding: 0;
    list-style: none;
}
.top{
    background: #e9ecef;
    text-align: center;
    padding-top: 65px;
    padding-bottom: 85px;
}
.top h1{
    margin-bottom: 20px;
    font-size: 50px;
}
.top h4{
    font-weight: 300;
}
.bottom{
    background: #ffffff;
    padding: 0 80px;
    padding-top: 30px;
    padding-bottom: 75px;
}
.bottom button{
    padding: 10px 40px;
    font-size: 16px;
    border-radius: 5px;
    outline: none;
}
.bottom .one{
    float: left;
}
.bottom .two{
    float: left;
    padding:0 200px;
}
.bottom .three{
    float: right;
}
.bottom .one #zw{
    background: #5aaaff;
    border: 0px;
    color: #fff;
}
.bottom .three #zh{
    background: #5aaaff;
    border: 0px;
    color: #fff;
}
.bottom .one #yw{
    background: #fafbfc;
    border: 0px;
}
.bottom .three #yh{
    background: #fafbfc;
    border: 0px;
}
.bottom .two #center{
    background: #6c757d;
    border: 0px;
    padding: 10px 90px;
    color: #ffffff;
}
.bottom input{
    width:540px;
    padding-bottom: 132px;
    border-radius: 5px;
    margin-top: 15px;
    outline: none;
    padding-left: 10px;
}
.bottom #wei{
    background: #e9ecef;
}
.bottom #flay{
    background: #007bff;
    border: 0px;
    padding: 10px 90px;
    margin-top: 15px;
    color: #fff;
}